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DS_H48SR1R880_06272006
Figure 20: Output current vs. ambient temperature and air
velocity (Vin=48V / 75V, V
out
=1.8V )
Figure 21: Power dissipation vs. ambient temperature and air
velocity (Vin=48V / 75V, V
out
=0.8V~1.8V )
THERMAL CURVES
H48SR1R880(Standard) Output Current vs. Ambient Temperature and Air Velocity
@ Output Voltage 0.8V (Either Orientation)
0
8
16
24
32
40
48
56
64
72
80
88
010203040506070809010011
Ambient Temperature (
)
Output Current(A)
Natural
Convection
0
100LFM
200LFM
300LFM
400LFM
500LFM
600LFM
Figure 18: Hot spot location (unit in mm) Figure 19: Output current vs. ambient temperature and air
velocity (Vin=48V / 75V, V
out
=0.8V )
H48SR1R880(Standard) Output Current vs. Ambient Temperature and Air Velocity
@ Output Voltage 1.8V (Either Orientation)
0
8
16
24
32
40
48
56
64
72
80
88
0102030405060708090100
H48SR1R880(Standard) Power Dissipation vs. Ambient Temperature and Air Velocity
(Either Orientation)
0
3
6
9
12
15
18
21
24
0102030405060708090100110
Ambient Temperature (
)
Power Dissipation (Watts)
Natural
Convection
100LFM
200LFM
300LFM
400LFM
500LFM
600LFM
Ambient Temperature (
)
Output Current(A)
Natural
Convection
100LFM
200LFM
300LFM
400LFM
500LFM
600LFM
7